Slick"ens (?), n. [Cf. Slick, n.] (Mining) The pulverized matter from a
quartz mill, or the lighter soil of hydraulic mines. [Local, U. S.]
Slick"en*sides` (?), n. 1. The smooth, striated, or partially polished
surfaces of a fissure or seam, supposed to have been produced by the
sliding of one surface on another.